In minecraft, the sneak button is typically the "Shift" key on PC. For consoles, it varies by system, such as the left stick on Xbox and PlayStation controllers. On mobile devices, you can find the sneak button in the touch controls on the screen. Sneaking allows players to move quietly and prevents them from falling off edges.
Hold shift to sneak to the edges of blocks without falling off.
Sneak it in.
The shift click support always stays as shift and cannot be changed.
You hold the right mouse button.
It updates Minecraft to the latest released version.
At the bottom right of the minecraft homepage there is a download button.
the command button is whatever button in the control settings you have
you push a button
On the minecraft homepage click on the download button below the buy now button and then select the client you have (Windows, Mac etc) then download it, run it and it should download minecraft.
Placing items in Minecraft is usually done with the right mouse button.
It will re install your minecraft back to its original state.
Hold shift